20204430246 has 96 divisors (see below), whose sum is σ = 58776576768. Its totient is φ = 4844214720.

The previous prime is 20204430229. The next prime is 20204430277. The reversal of 20204430246 is 64203440202.

20204430246 is a `hidden beast` number, since 2 + 0 + 204 + 430 + 24 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 542656 + ... + 578691.

It is an arithmetic number, because the mean of its divisors is an integer number (612256008).

Almost surely, 2^20204430246 is an apocalyptic number.

20204430246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20204430246 is an abundant number, since it is smaller than the sum of its proper divisors (38572146522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20204430246 is a wasteful number, since it uses less digits than its factorization.

20204430246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121386 (or 1121383 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20204430246 its reverse (64203440202), we get a palindrome (84407870448).

The spelling of 20204430246 in words is "twenty billion, two hundred four million, four hundred thirty thousand, two hundred forty-six".